Results for “Type & reading flow”
Small, practical examples. Search by task or narrow things down below.
Calculate changes between successive readings
C++: adjacent_difference keeps the first value and then writes each difference from its predecessor.
C++✓ Tested
Calculate differences between adjacent readings
JavaScript: Slice off the first value and compare each remaining value with its predecessor.
JavaScript✓ Tested
Calculate each group’s numeric spread
SQL: Subtract MIN from MAX to report the difference between extremes.
SQL✓ Tested
Calculate each group’s numeric spread
SQL Server: Subtract MIN from MAX to report the difference between extremes.
SQL Server✓ Tested
Calculate each group’s numeric spread
Postgres: Subtract MIN from MAX to report the difference between extremes.
Postgres✓ Tested
Calculate each group’s numeric spread
SQLite: Subtract MIN from MAX to report the difference between extremes.
SQLite✓ Tested
Call a typed function
Call a typed function in a complete Rust program using the standard library.
Rust✓ Tested
Check for a hashtable key before reading it
PowerShell: ContainsKey distinguishes a missing key from a key whose value happens to be null.
PowerShell✓ Tested
Check whether a file is already sorted
Linux Commands: Use sort -C for a quiet status check that does not rewrite the file.
Linux Commands✓ Tested
Check whether a future is ready without blocking
C++: A zero-duration wait reports timeout until the producer sets a value.
C++✓ Tested
Check whether a range is already sorted
C++: is_sorted reports ordering without modifying the input.
C++✓ Tested
Declare a typed constant
Declare a typed constant in a complete Rust program using the standard library.
Rust✓ Tested